Synchronized swimmers of the Democratic Peple's Republic of Korea (DPRK) perform to celebrate top leader Kim Jong-il's birthday, which falls on Feb 16, in a swimming pool of the Changgwang Health Complex in Pyongyang, Feb 15, 2011 in this picture taken by DPRK's official news agency KCNA and distributed by Korea News Service on Feb 15, 2011. [Photo/Xinhua]